Tia Maria, author
2014
UI - Skripsi (Membership)
Jethro Julian, author
2018
UI - Skripsi (Membership)
Muhammad Sholeh, author
Program Pascasarjana Universitas Indonesia, 2005
UI - Tesis (Membership)
Franck, Hans Goran
[publisher not identified], 2003
Buku Teks
Panjaitan, Edward M. L., author
Jurnal Kajian Wilayah Eropa, 2006
Artikel Jurnal